R. deB Ashworth has written:
'Standard waters: recommendations for the preparation of standard waters used for testing pesticidal and other formulations' -- subject(s): Composition, Pesticides, Water, Water in agriculture, Water-supply
J. R. Ashworth has written: 'Ferromagnetism' -- subject(s): Iron, Magnetism
P. R. R. has written: 'The swastika'
R. R. Lutz has written: 'The metal trades'
R. R. ABIDIN has written: 'Parenting skills'
R. R. Borade has written: 'Rikta-atirikta'
R. R. Furness has written: 'Soils of Cheshire'
R. R. McLone has written: 'The training of mathematicians'
R. Laneham has written: 'A letter'
R Parthasarathy has written: 'Ramanujacharya'
R. Bhutt has written: 'Reshan'
R. Weigel has written: 'Kunstcatalog'
R. Koebner has written: 'Imperialism'